Indexed References via Twitter

My @DemographicDoom Twitter account
isn't just a series of tweets;
it is an elaborate indexing system for demographic references.
As I encounter references relevant to my thesis, I compose them as
tweets, indexed by a series of hashtags that should be unique to this account.
I include both references that support my position and those that coherently oppose it.
Tweets may also record my own original work and various housekeeping events.
This system was started 7 April 2019.
Older references can be cound on the Structured References page.
Videos are indexed on YouTube Playlists.

This is a very active twitter account,
essentially building a reference database, so you may not
want to follow it directly. See bottom of page for further notes.

Countries

Hashtags below concern both the demographic crisis in each country and its
looming debt or governance problems.

Housekeeping Functions

Links related to my own original work.
The tag can be used for anything I produced myself, as opposed to references from third parties. This tag is intended for substantial
accomplishments like new videos (#ddoom_videorelease), written works and terms invented (#ddoom_mynewterm). For routine
housekeeping functions, like new hashtags, #ddoom_housekeeping is used instead.
(Differentiated on 19 Apr 2019.)

Items recording a transitional event in the evolution of my Demographic Doom project.
Alternatively, tweets may be flagged with #ddoom_timeline
for lesser events whose dates I want to record
but that don't constitute "milestones". (#ddoom_milestone and #ddoom_timeline shouldn't be used in the same tweet.)

Routine changes to the project that
don't consistute "Milestones". (#ddoom_timeline can be applied only if #ddoom_milestone and #ddoom_housekeeping don't apply.)
Tagging a tweet is similar to adding an item to the Timeline. The Timeline is generally preferred because
it is always listed in chronological order. I may use a tweet instead if I don't have time to add something to the Timeline or
I want an official Twitter datestamp.

The announcement of new Twitter hashtags.
These tweets always start: "#ddoom_newhash is my new hashtag for..." Hashtag announcements generally include only topics and housekeeping functions;
they do not include countries, media sources, people and organizations.

Announcements relating to the book manuscript I am currently working on, currently The Fertility Manifesto (started 18 April 2019).
(Also tagged #ddoom_original.) Significant Manuscript changes are also recorded on the Timeline page. See separate tag
#ddoom_footnote for support of factual claims.

Results of public opinion polls. (Excluded in #ddoom_statistics.)
In my view, polling data isn't strictly "demographic", because the opinions of the public can change on a whim,
so I don't tweet many public opinion polls.

Any references that were produced before 2019 are tagged with their year of original publication, including:
2006
· 2016
· 2017
· 2018

Starting on 7 April 2019, tweets are indexed via hashtags that begin #ddoom_.
For example, to find all tweets on China, see
#ddoom_china.
This system
is intended to replace the existing Structured References page, which was
too difficult to maintain. (That page is preserved for older
references, but no new articles will be added.)
I can't prevent others from using these hashtags,
but I hope people will employ them according to the same
standards I use. (If possible, also add the hashtag #ddoom_x to indicate that this tweet was externally produced.)

Twitter posts are indexed by topic, country and media source according to the hashtags listed below.
Click on the link for the relevant tweets.
Unfortunately, the order these tweets are displayed is arbitrary, determined by Twitter.

This Twitter hashtag system is based on the system already implemented for
Instagram.
(Those hashtags are indexed on the Video page.)
Twitter hashtags roughly correspond to those on Instagram, but there could be some subtle differences.
For one thing, there are a lot my hashtags on Twitter.
Instagram hashtags can also be retroactively changed for existing posts,
while Twitter hashtags cannot.

The Twitter account is used chiefly for print references and other text-based events. Videos are rarely
included here (except my own)
because they are indexed separately in video playlists.
Short video excerpts are posted on Instagram and
are not announced or duplicated on Twitter.

The @DemographicDoom account is very active with potentially
dozens of tweets a days (interspersed with periods of inactivity). Unless you are a hardcore demographics fan,
you may not wish to follow this account directly. Instead you can simply access it as needed via the
hashtags above.

History: This hashtag system was started on 7 April 2019 and further developed in the following weeks.
(No significant hashtags are present before that date.
For those references, see the Structured References page.)
The hashtags are continuously expanding, but most old hashtags will continue to be supported.
(If I change how a hashtag is used or spelled, I will note it in a tweet that includes both new and old hashtags.)
Since old tweets can't be changed, older tweets may not take advantage of newer hashtags.
Starting 19 April 2019, I try to post a new
stand-alone tweet for each new hashtag created,
tagged as #ddoom_hashtag.